title: Effect of Na+, K+ and Li+ on pH dependence of in situ beta-galactosidase from E. coli.
mesh_terms: D004926:Escherichia coli / Q000201:enzymology*; D005696:Galactosidases / Q000378:metabolism*; D006863:Hydrogen-Ion Concentration; D006868:Hydrolysis; D008094:Lithium / Q000494:pharmacology*; D009598:Nitrophenylgalactosides / Q000378:metabolism; D011188:Potassium / Q000494:pharmacology*; D012964:Sodium / Q000494:pharmacology*; D001616:beta-Galactosidase / Q000378:metabolism*
chemical_list: D009598:Nitrophenylgalactosides; D008094:Lithium; D012964:Sodium; D005696:Galactosidases; D001616:beta-Galactosidase; D011188:Potassium